Only render 7x7 instead of 8x8, so that we can center the player on the screen more easily.

player.lua

@@ -82,7 +82,7 @@ function handle_input()
 end
 
 function draw_player()
-   spr(player_lookup[facing_v][facing_h], 64, 64)
+   spr(player_lookup[facing_v][facing_h], 60, 60)
    -- todo: animate the character on move
 
    -- draw the player's HUD